{"cve":"CVE-2018-20026","nvd":{"published":"2019-02-19T21:29:00.290","modified":"2026-06-17T01:52:11.860","status":"Modified","description":"Improper Communication Address Filtering exists in CODESYS V3 products versions prior V3.5.14.0.","cvss_v4":null,"cvss_v3":{"version":"3.1","vector":"CVSS:3.1/AV:N/AC:L/PR:N/UI:N/S:U/C:H/I:N/A:N","score":7.5},"cwes":[],"references":["http://www.securityfocus.com/bid/106251","https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-036-codesys-control-v3-improper-communication-address-filtering/","https://ics-cert.us-cert.gov/advisories/ICSA-18-352-04","http://www.securityfocus.com/bid/106251","https://ics-cert.kaspersky.com/advisories/klcert-advisories/2018/12/19/klcert-18-036-codesys-control-v3-improper-communication-address-filtering/"],"products":["codesys:control_for_beaglebone_sl","codesys:control_for_empc-a\\/imx6_sl","codesys:control_for_iot2000_sl","codesys:control_for_linux_sl","codesys:control_for_pfc100_sl","codesys:control_for_pfc200_sl","codesys:control_for_raspberry_pi_sl","codesys:control_rte_sl","codesys:control_rte_sl_\\(for_beckhoff_cx\\)","codesys:control_runtime_toolkit","codesys:control_win_sl","codesys:development_system_v3","codesys:gateway","codesys:hmi_sl","codesys:opc_server","codesys:plchandler","codesys:safety_sil2","codesys:targetvisu_sl"],"source":"nvd","synced_at":"2026-10-19T20:54:46.948512734+00:00"},"epss":{"cve":"CVE-2018-20026","score":0.03317,"percentile":0.8858,"date":"2026-10-31"},"kev":null,"osv":[],"attribution":["This product uses the NVD API but is not endorsed or certified by the NVD.","EPSS scores: FIRST Exploit Prediction Scoring System, https://www.first.org/epss","Known exploited vulnerabilities: CISA Known Exploited Vulnerabilities Catalog, https://www.cisa.gov/known-exploited-vulnerabilities-catalog","Package advisories: OSV (https://osv.dev), from the GitHub Advisory Database, PyPA, Go, RustSec and other ecosystem databases, under CC-BY 4.0 or CC0","CVE records: the CVE Program's CVE List (https://www.cve.org), under its terms of use (https://www.cve.org/Legal/TermsOfUse). CVE is a registered trademark of The MITRE Corporation; this product is not affiliated with the CVE Program."]}